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<?php $queryString = 'arrFilter_196_73887=Y&arrFilter_197_8145817=&set_filter=%CF%EE%EA%E0%E7%E0%F2%FC'; $queryUrl = parse_url($queryString); //path, query if(isset($queryUrl['query'])) { parse_str($queryUrl['query'], $args); $args = array_filter($args); $queryString = $queryUrl['path'].(count($args) ?'?'.http_build_query($args) :''); } else { parse_str($queryUrl['path'], $args); $args = array_filter($args); $queryString = http_build_query($args); } var_dump($queryUrl, $queryString); //arrFilter_196_73887=Y&arrFilter_197_8145817=&set_filter=%CF%EE%EA%E0%E7%E0%F2%FC
Output for 5.0.0 - 5.0.5, 5.1.1 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
array(1) { ["path"]=> string(80) "arrFilter_196_73887=Y&arrFilter_197_8145817=&set_filter=%CF%EE%EA%E0%E7%E0%F2%FC" } string(57) "arrFilter_196_73887=Y&set_filter=%CF%EE%EA%E0%E7%E0%F2%FC"
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/j6e8E on line 19
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: http_build_query() in /in/j6e8E on line 17
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
Fatal error: Call to undefined function: http_build_query() in /in/j6e8E on line 17
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: http_build_query() in /in/j6e8E on line 17

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